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    269 repositories

    • policyengine-api-v2

      Public
      Python
      •
      GNU Affero General Public License v3.0
      •1•1•50•6•Updated May 3, 2026May 3, 2026

    • policyengine-ui-kit

      Public
      PolicyEngine UI kit — design tokens, Tailwind CSS v4 theme, and React components for dashboards and calculators
      TypeScript
      •1•0•2•3•Updated May 3, 2026May 3, 2026

    • policyengine-taxsim

      Public
      TAXSIM emulator using the PolicyEngine US federal and state tax calculator
      Python
      •
      MIT License
      •9•11•54•3•Updated May 3, 2026May 3, 2026

    • council-tax-ctr-map

      Public
      TypeScript
      •0•0•0•0•Updated May 2, 2026May 2, 2026

    • policybench

      Public
      LLM benchmark for public policy
      Python
      •
      The Unlicense
      •3•0•2•3•Updated May 2, 2026May 2, 2026

    • policyengine-uk-data

      Public
      Repository creating UK microdata.
      Python
      •2•1•22•6•Updated May 2, 2026May 2, 2026

    • policyengine-uk

      Public
      An open-source static tax-benefit microsimulation model for the UK.
      pythonunited-kingdomtax
      pythonunited-kingdomtaxpolicyeconomicspublic-policyinequalitypovertypsl-catalogedeconomic-policy
      Python
      •
      GNU Affero General Public License v3.0
      •32•41•144•2•Updated May 2, 2026May 2, 2026

    • california-wealth-tax

      Public
      Interactive tool analyzing fiscal impacts of California's proposed billionaire wealth tax under varying assumptions
      HTML
      •0•0•0•0•Updated May 2, 2026May 2, 2026

    • policyengine-api

      Public
      PolicyEngine's REST API for computing policy impacts.
      Python
      •
      GNU Affero General Public License v3.0
      •34•17•128•143•Updated May 2, 2026May 2, 2026

    • policyengine-api-v2-alpha

      Public
      Testing out a reduced APIv2 as a middle ground
      Python
      •0•0•14•156•Updated May 2, 2026May 2, 2026

    • policyengine-ads-dashboard

      Public
      Public transparency dashboard for PolicyEngine advertising performance
      JavaScript
      •0•0•0•0•Updated May 2, 2026May 2, 2026

    • policyengine-us-data

      Public
      A package to create representative microdata for PolicyEngine US.
      Python
      •10•2•120•26•Updated May 1, 2026May 1, 2026

    • policyengine.py

      Public
      PolicyEngine's main user-facing Python package, incorporating country packages and integrating data visualization and analytics.
      pythonmodeltax-benefit
      pythonmodeltax-benefit
      Python
      •
      GNU Affero General Public License v3.0
      •8•5•25•14•Updated May 1, 2026May 1, 2026

    • wv-sb392-tax-cut

      Public
      Dashboard modeling West Virginia's SB 392 (2026) income tax rate cut
      TypeScript
      •0•0•0•0•Updated May 1, 2026May 1, 2026

    • policyengine-core

      Public
      Core microsimulation engine for PolicyEngine models. Forked from OpenFisca-Core.
      frameworktaxmicrosimulation
      frameworktaxmicrosimulationbenefit
      Python
      •
      GNU Affero General Public License v3.0
      •27•17•108•3•Updated May 1, 2026May 1, 2026

    • policyengine-model

      Public
      TypeScript
      •1•0•1•4•Updated May 1, 2026May 1, 2026

    • missouri-income-tax-elimination

      Public
      PolicyEngine dashboard exploring paths to eliminate Missouri's state income tax (HJR 173 & 174)
      TypeScript
      •0•0•0•0•Updated May 1, 2026May 1, 2026

    • policyengine-bundles

      Public
      Testing scaffold for immutable PolicyEngine bundle manifests, locks, constraints, and validation reports.
      Python
      •0•0•0•0•Updated May 1, 2026May 1, 2026

    • uk-land-value-tax

      Public
      Interactive dashboard modelling the impact of replacing council tax with a land value tax in the UK
      JavaScript
      •0•0•0•2•Updated May 1, 2026May 1, 2026

    • policyengine-app-v2

      Public
      The second iteration of PolicyEngine's free web app for computing the impact of public policy. Currently under development.
      HTML
      •3•1•152•30•Updated May 1, 2026May 1, 2026

    • policyengine-uk-rust

      Public
      High-performance UK tax-benefit microsimulation engine in Rust
      Rust
      •0•0•15•9•Updated May 1, 2026May 1, 2026

    • policyengine-us

      Public
      The PolicyEngine US Python package contains a rules engine of the US tax-benefit system, and microdata generation for microsimulation analysis.
      pythontaxpolicy
      pythontaxpolicyeconomicsunited-statespublic-policyinequalitypovertyeconomic-policy
      Python
      •
      GNU Affero General Public License v3.0
      •207•144•1.1k•38•Updated May 1, 2026May 1, 2026

    • qbi-visualizer

      Public
      Qualified Business Income Deduction (§199A) calculator and implementation visualizer powered by PolicyEngine US
      TypeScript
      •0•0•0•0•Updated Apr 30, 2026Apr 30, 2026

    • policyengine-household-api

      Public
      Python
      •
      GNU Affero General Public License v3.0
      •3•1•23•8•Updated Apr 30, 2026Apr 30, 2026

    • og-model-dashboard

      Public
      Interactive dashboard explaining OG-UK — the UK calibration of OG-Core (PSL) — with methodology walk-through and side-by-side comparison to the OBR's UK OLG mod…
      JavaScript
      •0•0•0•0•Updated Apr 30, 2026Apr 30, 2026

    • nics-exemption-inactive-employees

      Public
      NICs exemption for recently-inactive employees — microsimulation dashboard
      JavaScript
      •
      GNU Affero General Public License v3.0
      •0•0•0•0•Updated Apr 30, 2026Apr 30, 2026

    • social-security-model

      Public
      Open-source Social Security dynamic microsimulation model - planning documentation
      Makefile
      •
      MIT License
      •0•1•0•1•Updated Apr 30, 2026Apr 30, 2026

    • Coverage-Compass

      Public
      Python
      •0•0•0•0•Updated Apr 29, 2026Apr 29, 2026

    • nj-ctc-eitc-expansion

      Public
      Dashboard modeling the NJ Cash Alliance coalition's CTC + EITC expansion proposal
      TypeScript
      •0•0•0•0•Updated Apr 29, 2026Apr 29, 2026

    • microimpute

      Public
      Repository for benchmarking different imputation methods for survey data.
      Jupyter Notebook
      •2•0•7•2•Updated Apr 28, 2026Apr 28, 2026
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